Inventor

TAKAYA MURAISHI

JP2 patents

Patents

2 patents

US7477862B2Jan 13, 2009

Charged device, cleaning device, process cartridge, toner, and image-forming device that uses these

RICOH KK13 citations83

US7680429B2Mar 16, 2010

Charging device including charging roller and cleaning roller

RICOH KK7 citations73